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Note 10 - Geographic And Segment Information (Details) - Operating Income by Geographic Distribution (USD $)	3 Months Ended		6 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014	Feb. 28, 2013
Segment Reporting Information [Line Items]
Total operating income	$ 1,653,234	$ 969,855	$ 3,167,533	$ 1,843,519
BRAZIL
Segment Reporting Information [Line Items]
Total operating income			(145,955)	(106,759)
INDIA
Segment Reporting Information [Line Items]
Total operating income			5,800
North America [Member]
Segment Reporting Information [Line Items]
Total operating income			$ 3,307,688	$ 1,950,278

X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration